j必须的方程：
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（二）原程序及运行结果：
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tifori1iNihi1xixi1d06h0y1y0h01dN6hN101yNyN1hN1fori1iN1idi6hi1hiyi1yihiyiyi1hi1aihi1hi1hici1aic01aN1s0b0t0d0fori0iN1ili1ai1sisi1bi1li1citi1di1li1tiMNtNsNforiN1i0iMiticiMi1sifM3powx4456336h3M4pow4563x336h3y3M3h3h36x44563h3y4M4h3h364563x3h3求算4563这点的函数值用追赶法求解三对角方程组使用对任意分化的三弯矩插值法
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